How long does the treatment last? The treatment lasts on average 18 months to 2 years. It can be repeated after that time. By admin|2021-06-09T15:38:32+01:0025 January 2021|Silhouette Soft|Comments Off on How long does the treatment last? Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkXingEmail About the Author: admin